Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
- %WINDIR%\Tasks\GoogleUpdateTaskMachineUA.job
- %WINDIR%\Tasks\GoogleUpdateTaskMachineCore.job
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\gupdate] 'Start' = '00000002'
Malicious functions:
Creates and executes the following:
- '%PROGRAM_FILES%\Google\Update\GoogleUpdate.exe' /ping 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-
- '%PROGRAM_FILES%\Google\Update\GoogleUpdate.exe' /regserver
- '%PROGRAM_FILES%\Google\Update\GoogleUpdate.exe' /svc
- '%PROGRAM_FILES%\Google\Update\GoogleUpdate.exe' /handoff "appguid={8A69D345-D564-463C-AFF1-A69D9E530F96}&iid={41D2A385-E0B5-F229-F0F2-EC9E81DB0EF8}&lang=ar&browser=3&usagestats=0&appname=Google%20Chrome&needsadmin=prefers&installdataindex=defaultbrowser" /installsource taggedmi /sessionid "{680F64D3-85B3-4160-8B44-DD4B54B754BF}"
- '%TEMP%\Google Chrome.exe'
- '%TEMP%\ng.exe'
- '%PROGRAM_FILES%\Google\Update\GoogleUpdate.exe' /regsvc
- '%PROGRAM_FILES%\GUM3.tmp\GoogleUpdate.exe' /installsource taggedmi /install "appguid={8A69D345-D564-463C-AFF1-A69D9E530F96}&iid={41D2A385-E0B5-F229-F0F2-EC9E81DB0EF8}&lang=ar&browser=3&usagestats=0&appname=Google%20Chrome&needsadmin=prefers&installdataindex=defaultbrowser"
Modifies file system :
Creates the following files:
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_fil.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_fi.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_gu.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_fr.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_es-419.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_es.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_fa.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_et.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_hi.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_iw.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_it.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_kn.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_ja.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_hu.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_hr.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_is.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_id.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\GoogleCrashHandler64.exe
- %PROGRAM_FILES%\Google\Update\1.3.21.135\GoogleCrashHandler.exe
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_ar.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_am.dll
- %PROGRAM_FILES%\GUM3.tmp\GoogleUpdateSetup.exe
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_zh-TW.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdate.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\GoogleUpdate.exe
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_bg.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_el.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_de.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_en-GB.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_en.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_ca.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_bn.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_da.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_cs.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_ko.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_ur.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_uk.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_zh-CN.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_vi.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_te.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_ta.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_tr.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_th.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_zh-TW.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\npGoogleUpdate3.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\GoogleUpdateSetup.exe
- %PROGRAM_FILES%\Google\Update\1.3.21.135\GoogleUpdateOnDemand.exe
- %PROGRAM_FILES%\Google\Update\1.3.21.135\GoogleUpdateBroker.exe
- %PROGRAM_FILES%\Google\Update\1.3.21.135\psuser.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\GoogleUpdateHelper.msi
- %PROGRAM_FILES%\Google\Update\GoogleUpdate.exe
- %PROGRAM_FILES%\Google\Update\1.3.21.135\psmachine.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_nl.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_ms.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_pl.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_no.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_lv.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_lt.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_mr.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_ml.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_pt-BR.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_sr.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_sl.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_sw.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_sv.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_ro.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_pt-PT.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_sk.dll
- %PROGRAM_FILES%\Google\Update\1.3.21.135\goopdateres_ru.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_de.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_da.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_en.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_el.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_bn.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_bg.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_cs.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_ca.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_en-GB.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_fil.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_fi.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_gu.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_fr.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_es-419.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_es.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_fa.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_et.dll
- %PROGRAM_FILES%\GUM3.tmp\GoogleUpdate.exe
- %PROGRAM_FILES%\GUT4.tmp
- %PROGRAM_FILES%\GUM3.tmp\goopdate.dll
- %PROGRAM_FILES%\GUM3.tmp\GoogleCrashHandler.exe
- %TEMP%\ng.exe
- %TEMP%\aut1.tmp
- %TEMP%\Google Chrome.exe
- %TEMP%\aut2.tmp
- %PROGRAM_FILES%\GUM3.tmp\npGoogleUpdate3.dll
- %PROGRAM_FILES%\GUM3.tmp\GoogleCrashHandler64.exe
- %PROGRAM_FILES%\GUM3.tmp\psuser.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_ar.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_am.dll
- %PROGRAM_FILES%\GUM3.tmp\GoogleUpdateBroker.exe
- %PROGRAM_FILES%\GUM3.tmp\GoogleUpdateHelper.msi
- %PROGRAM_FILES%\GUM3.tmp\psmachine.dll
- %PROGRAM_FILES%\GUM3.tmp\GoogleUpdateOnDemand.exe
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_hi.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_sl.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_sk.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_sv.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_sr.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_pt-PT.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_pt-BR.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_ru.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_ro.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_sw.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_ur.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_uk.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_zh-CN.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_vi.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_te.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_ta.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_tr.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_th.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_iw.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_it.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_kn.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_ja.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_hu.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_hr.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_is.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_id.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_ko.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_nl.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_ms.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_pl.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_no.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_lv.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_lt.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_mr.dll
- %PROGRAM_FILES%\GUM3.tmp\goopdateres_ml.dll
Deletes the following files:
- %TEMP%\aut2.tmp
- %TEMP%\aut1.tmp
Network activity:
Connects to:
- 'localhost':1040
- '74.##5.232.51':80
- 'wp#d':80
- 'localhost':1038
TCP:
HTTP GET requests:
- wp#d/wpad.dat
UDP:
- DNS ASK to###.google.com
- DNS ASK wp#d
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
